Base | Representation |
---|---|
bin | 10111111011011110… |
… | …10101110010010010 |
3 | 1020011022212012211001 |
4 | 23331233111302102 |
5 | 202302311331432 |
6 | 5522443212214 |
7 | 633234346615 |
oct | 137557256222 |
9 | 36138765731 |
10 | 12846980242 |
11 | 54a2870448 |
12 | 25a651706a |
13 | 1299786475 |
14 | 89c2d617c |
15 | 502cc79e7 |
hex | 2fdbd5c92 |
12846980242 has 4 divisors (see below), whose sum is σ = 19270470366. Its totient is φ = 6423490120.
The previous prime is 12846980239. The next prime is 12846980243. The reversal of 12846980242 is 24208964821.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 6722196121 + 6124784121 = 81989^2 + 78261^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12846980192 and 12846980201.
It is not an unprimeable number, because it can be changed into a prime (12846980243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211745059 + ... + 3211745062.
Almost surely, 212846980242 is an apocalyptic number.
12846980242 is a deficient number, since it is larger than the sum of its proper divisors (6423490124).
12846980242 is an equidigital number, since it uses as much as digits as its factorization.
12846980242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6423490123.
The product of its (nonzero) digits is 442368, while the sum is 46.
The spelling of 12846980242 in words is "twelve billion, eight hundred forty-six million, nine hundred eighty thousand, two hundred forty-two".
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